<?php

namespace App\Filament\Resources;

use App\Filament\Resources\ApiProviderResource\Pages;
use App\Filament\Resources\ApiProviderResource\RelationManagers;
use App\Models\ApiProvider;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\SoftDeletingScope;
use Filament\Forms\Components\TextInput;
use Filament\Tables\Columns\TextColumn;
use Filament\Forms\Components\Select;
use Illuminate\Support\Facades\File;
use App\Api\Plugins\ApiPluginInterface;
use Filament\Forms\Components\Toggle;
use Filament\Tables\Columns\IconColumn;
use Filament\Forms\Components\Actions;
use Filament\Forms\Components\Actions\Action;
use Filament\Forms\Components\ViewField;
use Filament\Notifications\Notification;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Blade;
use Illuminate\Support\Facades\Log;
use App\Api\Plugins\PluginLoader;

class ApiProviderResource extends Resource
{
    protected static ?string $model = ApiProvider::class;

    protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';

    public static function form(Form $form): Form
    {
        $plugins = self::getAvailablePlugins();
        $livewire = $form->getLivewire();
        return $form
            ->schema([
                Forms\Components\Section::make()
                    ->schema([
                        TextInput::make('name')
                            ->label(__('filament.resource.api_provider.form.name'))
                            ->required()
                            ->maxLength(255),
                        Toggle::make('enabled')
                            ->label(__('filament.resource.api_provider.form.enabled'))
                            ->default(true),
                        TextInput::make('api_url')
                            ->label(__('filament.resource.api_provider.form.api_url'))
                            ->required()
                            ->url()
                            ->maxLength(255),
                        TextInput::make('username')
                            ->label(__('filament.resource.api_provider.form.username'))
                            ->nullable()
                            ->maxLength(255),
                        TextInput::make('password')
                            ->label(__('filament.resource.api_provider.form.password'))
                            ->password()
                            ->nullable()
                            ->maxLength(255),
                        TextInput::make('token')
                            ->label(__('filament.resource.api_provider.form.token'))
                            ->nullable()
                            ->maxLength(255),
                        Select::make('plugin')
                            ->options($plugins)
                            ->nullable()
                            ->label(__('filament.resource.api_provider.form.plugin')),
                        Actions::make([
                            Action::make('test_connection')
                                ->label(__('filament.resource.api_provider.action.test_connection'))
                                ->icon(function (\Livewire\Component $livewire) {
                                    return match ($livewire->testResultState) {
                                        'success' => 'heroicon-o-check-circle',
                                        'failed' => 'heroicon-o-x-circle',
                                        default => 'heroicon-o-link',
                                    };
                                })
                                ->color(function (\Livewire\Component $livewire) {
                                    return match ($livewire->testResultState) {
                                        'success' => 'success',
                                        'failed' => 'danger',
                                        default => 'gray',
                                    };
                                })
                                ->action(function (array $data, Forms\Components\Component $component, \Livewire\Component $livewire) {
                                    $formData = $component->getLivewire()->form->getState();
                                    $apiUrl = str_replace('127.0.0.1', 'localhost', $formData['api_url'] ?? null);
                                    $pluginName = $formData['plugin'] ?? null;
                                    $token = $formData['token'] ?? null;

                                    if (!$pluginName) {
                                        Notification::make()
                                            ->title(__('filament.resource.api_provider.notification.connection_failed'))
                                            ->body('Please select a plugin first.')
                                            ->danger()
                                            ->send();
                                        $component->getLivewire()->dispatch('testConnectionFinished', result: 'failed');
                                        return;
                                    }

                                    try {
                                        // Create a dummy ApiProvider model for the test
                                        $dummyApiProvider = new \App\Models\ApiProvider();
                                        $dummyApiProvider->api_url = $apiUrl;
                                        $dummyApiProvider->token = $token;

                                        // Load the specific plugin using the PluginLoader
                                        $pluginInstance = PluginLoader::getPlugin($pluginName, $dummyApiProvider);

                                        // Call the testConnection method of the plugin
                                        $testResult = $pluginInstance->testConnection([
                                            'api_url' => $apiUrl,
                                            'token' => $token,
                                            'username' => $formData['username'] ?? null,
                                            'password' => $formData['password'] ?? null,
                                        ]);

                                        if ($testResult) {
                                            Notification::make()
                                                ->title(__('filament.resource.api_provider.notification.connection_successful'))
                                                ->success()
                                                ->send();
                                            $component->getLivewire()->dispatch('testConnectionFinished', result: 'success');
                                        } else {
                                            Notification::make()
                                                ->title(__('filament.resource.api_provider.notification.connection_failed'))
                                                ->body('Plugin reported connection failed. Check logs for details.')
                                                ->danger()
                                                ->send();
                                            $component->getLivewire()->dispatch('testConnectionFinished', result: 'failed');
                                        }
                                    } catch (\Exception $e) {
                                        Log::error('Plugin test connection failed: An unexpected error occurred.', [
                                            'api_url' => $apiUrl,
                                            'plugin' => $pluginName,
                                            'error_message' => $e->getMessage(),
                                        ]);
                                        Notification::make()
                                            ->title(__('filament.resource.api_provider.notification.connection_failed'))
                                            ->body('An unexpected error occurred during plugin test: ' . $e->getMessage())
                                            ->danger()
                                            ->send();
                                        $component->getLivewire()->dispatch('testConnectionFinished', result: 'failed');
                                    }
                                }),
                            ]),
                    ])
            ]);
    }
    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                TextColumn::make('name')->label(__('filament.resource.api_provider.table.name'))->searchable()->sortable(),
                IconColumn::make('enabled')
                    ->label(__('filament.resource.api_provider.table.enabled'))
                    ->boolean(),
                TextColumn::make('api_url')->label(__('filament.resource.api_provider.table.api_url'))->searchable(),
                TextColumn::make('plugin')->label(__('filament.resource.api_provider.table.plugin'))->searchable()->sortable(),
            ])
            ->filters([
                //
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                    Tables\Actions\BulkAction::make('enable')
                        ->label(__('filament.resource.api_provider.action.enable_selected'))
                        ->icon('heroicon-o-check-circle')
                        ->action(function (\Illuminate\Support\Collection $records) {
                            $records->each->update(['enabled' => true]);
                        }),
                    Tables\Actions\BulkAction::make('disable')
                        ->label(__('filament.resource.api_provider.action.disable_selected'))
                        ->icon('heroicon-o-x-circle')
                        ->action(function (\Illuminate\Support\Collection $records) {
                            $records->each->update(['enabled' => false]);
                        }),
                ]),
            ])
            ->emptyStateActions([
                Tables\Actions\CreateAction::make(),
            ]);
    }
    public static function getRelations(): array                                                                               
    {                                                                                                                          
        return [                                                                                                               
            //                                                                                                             
       ];                                                                                                                     
    }
     public static function getPages(): array                                                                                   
     {                                                                                                                          
        return [                                                                                                               
            'index' => Pages\ListApiProviders::route('/'),                                                                     
            'create' => Pages\CreateApiProvider::route('/create'),                                                             
            'edit' => Pages\EditApiProvider::route('/{record}/edit'),                                                          
        ];  
    }
     protected static function getAvailablePlugins(): array                                                                    
     {                                                                                                                         
        $plugins = [];                                                                                                         
        $path = app_path('Api/Plugins');                                                                                       
        $files = File::files($path);                                                                                           
                                                                                                                                   
        foreach ($files as $file) {                                                                                            
            $filename = $file->getFilenameWithoutExtension();                                                                  
            if (in_array($filename, ['ApiPluginInterface', 'PluginLoader'])) {                                                 
                continue;      
            } 
            $class = "App\Api\Plugins\\" . $filename;                                                                          
            if (class_exists($class) && in_array(ApiPluginInterface::class, class_implements($class))) {                       
                // Do not instantiate here, just get identifier and name if possible statically or by convention               
                // For now, we'll use filename as identifier and name                                                          
                $plugins[$filename] = $filename;     
            }
        }                                                                                                        
        return $plugins;                                                                                                       
     }
}